Fair Value Measurements - Summary of Carrying Amount and Estimated Fair Value of Financial Instruments (Detail) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Amount		$ 23,635
Term Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Amount	[1]	23,635	$ 24,401
Estimated Fair Value	[1]	$ 25,046	$ 25,332

[1] Carrying amounts of long-term debt were net of unamortized debt discounts of $316 and $599 as of December 31, 2021 and 2020, respectively.